The WD in WD-40 stands for Water Displacer.
30
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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During his or her lifetime, the average human will grow 590 miles of hair.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Speed dating was invented by a Rabbi in 1999.
45
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
An olive tree can live up to 1,500 years!
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An iceberg contains more heat than a lit match.
73